[FIX] *: fix incorrect/unstable links

- Removed the doc version and absolute path from all user doc redirections.
- Made developer doc redirections use 13.0 instead of online, master or earlier version string.
- Fixed outdated links.
- Enforced the use of :doc:, :ref: and :download: directives for redirections.
- Replaced google drive/docs links by doc redirections.

website/publish/multi_website.rst

@@ -45,8 +45,8 @@ website. Follow the purple drops; they will help you in the first steps.
 
 
 .. note::
-      If you run Odoo Online, don’t forget to redirect any new domain name to your Odoo database (CNAME) and to authorize it Odoo-side. 
-      `Read <https://www.odoo.com/documentation/user/online/website/publish/domain_name.html>`__
+   If you run Odoo Online, don’t forget to redirect any new domain name to your Odoo database
+   (``CNAME``) and to authorize it Odoo-side. See :doc:`domain_name`.
 
 Create the menu
 ===============
@@ -122,7 +122,8 @@ be redirected to the right website using GeoIP.
   Geo IP is installed by default in Odoo Online. If you run Odoo
   on-premise, don’t forget to install *GeoIP* library.
 
-`Read the full documenation about domain names here <https://www.odoo.com/documentation/user/online/website/publish/domain_name.html>`__, 
+.. seealso::
+   - :doc:`domain_name`
 
 Customize the visitor experience
 ================================
@@ -253,7 +254,7 @@ To manage specific prices by websites, you can activate *Multiple Sales
 Prices per Product* in Website settings.
 
 Then, go to :menuselection:`Website --> Products --> Pricelists` to create additional
-pricelists. Read `Pricelists Documentation <https://www.odoo.com/documentation/user/online/ecommerce/maximizing_revenue/pricing.html>`__, 
+pricelists. See :doc:`../../ecommerce/maximizing_revenue/pricing`.
 
 If you need help. Select a website to make a pricelist only available on
 this website.